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SUSE Linux toolbox : 1000+ commands for openSUSE and SUSE Linux enterprise PDF

334 Pages·2008·1.692 MB·English
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82928ffirs.qxd:Toolbox 11/1/07 12:31 PM Page iii SUSE®Linux® TOOLBOX 1000+ Commands for openSUSE and SUSE Linux Enterprise Christopher Negus François Caen Wiley Publishing, Inc. 82928ffirs.qxd:Toolbox 11/1/07 12:40 PM Page iv SUSE® Linux® Toolbox: 1000+ Commands for openSUSE and SUSE Linux Enterprise Published by Wiley Publishing, Inc. 10475 Crosspoint Boulevard Indianapolis, IN 46256 www.wiley.com Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana Published simultaneously in Canada ISBN: 978-0-470-08292-8 Manufactured in the United States of America 10 9 8 7 6 5 4 3 2 1 Library of Congress Cataloging-in-Publication Data is available from the publisher. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600. Requests to the Publisher for permis- sion should be addressed to the Legal Department, Wiley Publishing, Inc., 10475 Crosspoint Blvd., Indianapolis, IN 46256, (317) 572-3447, fax (317) 572-4355, or online at http://www.wiley.com/go/permissions. Limit of Liability/Disclaimer of Warranty: The publisher and the author make no representations or warranties with respect to the accuracy or completeness of the contents of this work and specifically disclaim all warranties, including without limitation warranties of fitness for a particular purpose. No warranty may be created or extended by sales or promotional materials. The advice and strategies contained herein may not be suitable for every situation. This work is sold with the understanding that the publisher is not engaged in rendering legal, accounting, or other professional services. If professional assistance is required, the services of a competent pro- fessional person should be sought. Neither the publisher nor the author shall be liable for damages arising here- from. The fact that an organization or Website is referred to in this work as a citation and/or a potential source of further information does not mean that the author or the publisher endorses the information the organization or Website may provide or recommendations it may make. Further, readers should be aware that Internet Websites listed in this work may have changed or disappeared between when this work was written and when it is read. For general information on our other products and services please contact our Customer Care Department within the United States at (800) 762-2974, outside the United States at (317) 572-3993 or fax (317) 572-4002. Trademarks:Wiley and the Wiley logo are trademarks or registered trademarks of John Wiley & Sons, Inc. and/or its affiliates, in the United States and other countries, and may not be used without written permission. SUSE and openSUSE are registered trademarks of Novell, Inc. Linux is a registered trademark of Linus Torvalds. All other trademarks are the property of their respective owners. Wiley Publishing, Inc. is not associated with any product or vendor mentioned in this book. Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic books. 82928ffirs.qxd:Toolbox 11/1/07 12:31 PM Page v As always, I dedicate my work on this book to my wife, Sheree. —Christopher Negus I dedicate this book to the UnderLUG crew. —François Caen 82928ffirs.qxd:Toolbox 11/1/07 12:31 PM Page vi 82928ffirs.qxd:Toolbox 11/1/07 12:31 PM Page vii About the Authors Christopher Negus is the author of the best-selling Fedora and Red Hat Linux Bibles, Linux Toys, Linux Troubleshooting Bible, and Linux Bible 2007 Edition. He is a member of the Madison Linux Users Group. Prior to becoming a full-time writer, Chris served for eight years on development teams for the Unix operating system at AT&T, where Unix was created and developed. He also worked with Novell on Unix development and Caldera Linux. François Caen, through his company Turbosphere LLC, hosts and manages business application infrastructures, with 95 percent running on Linux systems. As an open source advocate, he has lectured on OSS network management and Internet services, and served as president of the Tacoma Linux User Group. François is a Red Hat Certified Engineer (RHCE). In his spare time, François enjoys managing enterprise Cisco networks. 82928ffirs.qxd:Toolbox 11/1/07 12:31 PM Page viii 82928ffirs.qxd:Toolbox 11/1/07 12:31 PM Page ix Credits Acquisitions Editor Vice President and Executive Publisher Jenny Watson Joseph B. Wikert Development Editor Project Coordinator, Cover Sara Shlaer Lynsey Osborn Technical Editor Compositor Thomas Blader Laurie Stewart, Happenstance Type-O-Rama Copy Editor Michael Koch Proofreader Kathryn Duggan Editorial Manager Mary Beth Wakefield Indexer Melanie Belkin Production Manager Tim Tate Anniversary Logo Design Richard Pacifico Vice President and Executive Group Publisher Richard Swadley 82928ffirs.qxd:Toolbox 11/1/07 12:31 PM Page x Contents at a Glance Chapter 1: Starting with SUSE . . . . . . . . . . . . . . . . . . . . . . . . .1 Chapter 2: Installing openSUSE and Adding Software . . . . . . . .11 Chapter 3: Using the Shell . . . . . . . . . . . . . . . . . . . . . . . . . . .41 Chapter 4: Working with Files . . . . . . . . . . . . . . . . . . . . . . . . .59 Chapter 5: Manipulating Text . . . . . . . . . . . . . . . . . . . . . . . . . .79 Chapter 6: Playing with Multimedia . . . . . . . . . . . . . . . . . . . . .97 Chapter 7: Administering File Systems . . . . . . . . . . . . . . . . . .111 Chapter 8: Backups and Removable Media . . . . . . . . . . . . . . .139 Chapter 9: Checking and Managing Running Processes . . . . . .155 Chapter 10: Managing the System . . . . . . . . . . . . . . . . . . . . .173 Chapter 11: Managing Network Connections . . . . . . . . . . . . .195 Chapter 12: Accessing Network Resources . . . . . . . . . . . . . . .215 Chapter 13: Doing Remote System Administration . . . . . . . . .235 Chapter 14: Locking Down Security . . . . . . . . . . . . . . . . . . . .251 Appendix A: Using vi or Vim Editors . . . . . . . . . . . . . . . . . . . .265 Appendix B: Shell Special Characters and Variables . . . . . . . .273 Appendix C: Getting Information from /proc . . . . . . . . . . . . . .277 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .283 82928ftoc.qxd:Toolbox 11/1/07 12:32 PM Page xi Contents Acknowledgments xix Introduction xxi Chapter 1: Starting with SUSE 1 About SUSE, Novell, and Linux 2 Comparing SUSE to Other Linux Versions 2 Finding SUSE Resources 3 Focusing on Linux Commands 4 Finding Commands 5 Command Reference Information in SUSE 6 Summary 10 Chapter 2: Installing openSUSE and Adding Software 11 Installing openSUSE 11 Preparing to Install 12 Choosing Installation Options 12 Answering Installation Questions 15 Working with Software Packages 18 Getting Software Packages with YaST 19 Adding and Updating Software with YaST 20 Using zypper to Manage Software 23 Working with zypper Repositories 24 Searching for Software with zypper 27 Installing and Removing Software with zypper 31 Managing Software with RPM 33 Installing a Package with rpm 34 Upgrading a Package with rpm 34 Removing a Package with rpm 35 Querying Information about RPM Packages 35 Verifying Installed Packages with rpm 38 Building RPMs from SRPMs 39 Extracting Files from RPMs 40 Summary 40

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